export default function(email) {
	const emailRule =
		/^[a-zA-Z0-9]+([._\\-]*[a-zA-Z0-9])*@([a-zA-Z0-9]+[-a-zA-Z0-9]*[a-zA-Z0-9]+.){1,63}[a-zA-Z0-9]+$/g
	if (emailRule.test(email)) {
		return true
	}
	return false
}